Greetings of the day aspirant !!

I hope you are absolutely fine. As per your query , yes , if you will start from today onwards then you will definately crack the jee mains july exam. See, for cracking any competitive exam , you just have to be determined for that and consistent for that. If you make your mind to crack the exam then you will have to definately pay hard for it. I will mention some tips that will surely helps you in your preparation.

• Firstly , analyse the whole syllabus and try to focus on the topics that are repeatedly ask.
• Then , make a time table in which try to give more hours to those topic or concepts and subjects first that are tough for you.
• After that , mark the topics that have high weightage and easiest topic first , and try to complete them first. So , that you can easily score good marks.
• Solve the previous year question papers so that you have an idea of the questions that will ask in exam.
• Try to do mock test so that you can learn to manage your time so that you will not face any difficulty in the exam.
• Now , revision is very important so try to revise your concepts weekly that you read before.
• Be consistent and determined and prepare for the exam in a very focused manner.

I hope this helps you.

Good luck :-):-)